/Engine/Source/Runtime/AnimGraphRuntime/Public/BoneControllers/AnimNode_ApplyLimits.h
Called once, from game thread as the parent anim instance is created
virtual void OnInitializeAnimInstance ( const [FAnimInstanceProxy](API\Runtime\Engine\Animation\FAnimInstanceProxy) * InProxy, const [UAnimInstance](API\Runtime\Engine\Animation\UAnimInstance) * InAnimInstance )